New observations of two black holes merging have confirmed predictions made decades ago by Albert Einstein, Stephen Hawking, ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...

Space is full of mysterious sounds, some of which even have explanations. But that's far from the case when it comes to this ...

M87* is a supermassive black hole in a galaxy 55 million light-years away with a mass around 6.5 billion times the mass of ...

I’d like to share seven principles for teaching social theory that have proved effective in helping my students stay the course. They’re easy to adopt in any classroom, regardless of size or ...

With news of The Super Mario Galaxy Movie coming next year, will the film confirm the theory that Peach and Rosalina are ...

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

But Luis Jauregui’s work, which might power quantum computers needed for long-range space exploration, also shows how basic ...